21963315

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{12101}}^1$

素因数の和:12131

約数の個数: 24

約数和(自身を含む): 38629584

約数和(自身を除く): 16666269

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 12101, 36303, 60505, 133111, 181515, 399333, 665555, 1464221, 1996665, 4392663, 7321105, 21963315]

約数ペア:

[(1, 21963315), (3, 7321105), (5, 4392663), (11, 1996665), (15, 1464221), (33, 665555), (55, 399333), (121, 181515), (165, 133111), (363, 60505), (605, 36303), (1815, 12101)]